How President Obama's campaign used big data to rally individual voters

From MIT Technology Review.

The Obama 2012 campaign used data analytics and the experimental method to assemble a winning coalition vote by vote. In doing so, it overturned the long dominance of TV advertising in U.S. politics and created something new in the world: a national campaign run like a local ward election, where the interests of individual voters were known and addressed.
Posted by: trailing wife 2013-01-21